Rav W-1 Horizon: Puercan, Canada
collected by P. Johnston
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Amphibia
- Temnospondyli
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Anura indet.
(Fischer von Waldheim 1813)
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Gardner and DeMar 2013 | |||||||||
Amphibia
- Temnospondyli
- Batrachosauroididae
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Opisthotriton kayi
Auffenberg 1961
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Gardner and DeMar 2013 | |||||||||
Amphibia
- Temnospondyli
- Urodela
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Urodela indet.
(Duméril 1805)
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Gardner and DeMar 2013 | |||||||||
Reptilia
- Simoedosauridae
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Simoedosaurus sp.
Gervais 1877
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Gao and Fox 1998 | 1 specimen | ||||||||
UALVP 33927 (partial left dentary) | ||||||||||
= Simoedosauridae indet.
Lemone 1884
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Brownstein 2022 | |||||||||
Mammalia
- Macroscelidea
- Apheliscidae
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Litomylus orthronepius n. sp.
Johnston and Fox 1984
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(1 measurement) | ||||||||||
Mammalia
- Condylarthra
- Hyopsodontidae
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? Litaletes sp.
Simpson 1935
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Bubogonia saskia n. sp.
Johnston and Fox 1984
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Mammalia
- Primates
- Purgatoriidae
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Purgatorius sp.
Van Valen and Sloan 1965
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not P. janisae and possibly P. unio: Van Valen 1994 | ||||||||||
= Purgatorius coracis n. sp.
Fox and Scott 2011
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Fox and Scott 2011 | |||||||||
UALVP 16070 - type (right m2); numerous referred UALVP specimens | ||||||||||
Mammalia
- Acreodi
- Triisodontidae
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? Eoconodon sp.
Matthew and Granger 1921
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Mammalia
- Periptychidae
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Oxyacodon cf. agapetillus
(Cope 1884)
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Anisonchus cf. oligistus
Gazin 1941
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(1 measurement) | ||||||||||
Mammalia
- Carnivora
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Carnivora indet.
Bowdich 1821
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Fox et al. 2010 | |||||||||
UALVP 50993 (isolated left m1) and UALVP 50994 (isolated right m1) | ||||||||||
Ravenictis krausei n. sp.
Fox and Youzwyshyn 1994
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Fox and Youzwyshyn 1994 | |||||||||
presumably includes Carnivora indet. of Fox, which was said to be a new genus | ||||||||||
Mammalia
- Procreodi
- Arctocyonidae
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Baioconodon cf. denverensis
Gazin 1941
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(1 measurement) | ||||||||||
Carcinodon aquilonius
Russell 1974
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Loxolophus schizophrenus n. sp.
Johnston and Fox 1984
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(1 measurement) | ||||||||||
Oxyclaenus corax n. sp.
Johnston and Fox 1984
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(5 measurements) | ||||||||||
Mammalia
- Proteutheria
- Palaeoryctidae
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Palaeoryctes sp.
Matthew 1913
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Fox and Youzwyshyn 1994 | |||||||||
presumably includes additional palaeoryctid of Fox | ||||||||||
Mammalia
- Cimolestidae
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Cimolestes cf. simpsoni
(Reynolds 1936)
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original and current combination Puercolestes simpsoni | ||||||||||
Procerberus sp.
Sloan and Van Valen 1965
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said to be new | ||||||||||
Mammalia
- Leptictidae
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Prodiacodon sp.
Matthew 1929
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said to be new | ||||||||||
Mammalia
- Multituberculata
- Eucosmodontidae
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Stygimys camptorhiza n. sp.
Johnston and Fox 1984
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Cimexomys cf. hausoi
Archibald 1982
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= Cimexomys cf. gratus
Jepsen 1930
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Alroy 2002 | |||||||||
recombined as Stygimys gratus | ||||||||||
Mammalia
- Multituberculata
- Ptilodontidae
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Ptilodus cf. tsosiensis
Sloan 1981
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Mammalia
- Multituberculata
- Neoplagiaulacidae
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Neoplagiaulacidae indet.
Ameghino 1890
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said to be a new genus | ||||||||||
Ectypodus sp.
Matthew and Granger 1921
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Parectypodus sp.
Jepsen 1930
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Parectypodus armstrongi n. sp.
Johnston and Fox 1984
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Mesodma thompsoni
Clemens 1964
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= Mesodma sp.
Jepsen 1940
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Fox 2002 | |||||||||
said to be a new species also found at French Fry (see) | ||||||||||
Mesodma formosa
(Marsh 1889)
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Fox 1989 | |||||||||
may include additional Mesodma sp., said to be new | ||||||||||
Neoplagiaulax kremnus n. sp.
Johnston and Fox 1984
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Xyronomys sp.
Rigby 1980
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Mammalia
- Multituberculata
- Microcosmodontidae
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Microcosmodon arcuatus n. sp.
Johnston and Fox 1984
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(1 measurement) | ||||||||||
Mammalia
- Multituberculata
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Cimexomys cf. minor
Sloan and Van Valen 1965
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Mammalia
- Multituberculata
- Taeniolabididae
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Taeniolabis sp.
Cope 1882
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= Catopsalis sp.
Cope 1882
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Buckley 1995 | |||||||||
compared by Buckley to C. waddleae | ||||||||||
see common names |
Geography
Country: | Canada | State/province: | Saskatchewan |
Coordinates: | 49.5° North, 109.2° West (view map) | ||
Paleocoordinates: | 56.2° North, 83.4° West | ||
Basis of coordinate: | based on nearby landmark | ||
Geographic resolution: | small collection |
Time
Period: | Paleogene | Epoch: | Paleocene |
Stage: | Danian | 10 m.y. bin: | Cenozoic 1 |
*Period: | Tertiary | ||
Key time interval: | Puercan | ||
Age range of interval: | 66.00000 - 63.80000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Ravenscrag | ||
Local section: | Cypress Hills | Local bed: | 3 |
Local order: | bottom to top | ||
Stratigraphic resolution: | bed |
Lithology and environment
Primary lithology: | gray lithified sandstone |
Secondary lithology: | pebbly conglomerate |
Includes fossils? | Y |
Lithology description: "resistant cemented greyish sand with discontinuous fossiliferous clay pebble conglomerate at base" | |
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | mesofossils |
Preservation of anatomical detail: | good |
Fragmentation: | occasional |
Spatial resolution: | parautochthonous |
Collection methods and comments
Collection methods: | bulk,sieve,field collection |
Collection size: | 905 specimens |
Reason for describing collection: | taxonomic analysis |
Collectors: | P. Johnston |
Taxonomic list comments:directly overlies Long Fall Horizon, but there is no evidence that any of the species are reworked from Cretaceous sediments. Manuscript appears to post-date Fox 1989; supersedes Johnston and Fox 1984 |
Metadata
Also known as: | Medicine Hat Brick and Tile (MHBT) Quarry (in part) | ||
Database number: | 14768 | ||
Authorizer: | J. Alroy, R. Benson, P. Holroyd, P. Mannion | Enterer: | J. Alroy, P. Holroyd, R. Benson, P. Mannion |
Modifier: | M. Carrano | Research group: | vertebrate |
Created: | 1993-02-18 00:00:00 | Last modified: | 2013-06-18 16:03:17 |
Access level: | the public | Released: | 1993-02-18 00:00:00 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
1536. | R. C. Fox. 1990. The succession of Paleocene mammals in western Canada. Geological Society of America Special Paper 243:51-70 [J. Alroy/J. Alroy/M. Uhen] |
Secondary references:
6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
82414 | C. D. Brownstein. 2022. High morphological disparity in a bizarre Paleocene fauna of predatory freshwater reptiles. BMC Ecology and Evolution 22:34:1-23 [P. Mannion/P. Mannion] | |
1149 | G. A. Buckley. 1995. The multituberculate Catopsalis from the early Paleocene of the Crazy Mountains Basin in Montana. Acta Palaeontologica Polonica 40(4):389-398 [J. Alroy/J. Alroy/P. Mannion] | |
1535 | R. C. Fox. 1989. The Wounded Knee local fauna and mammalian evolution near the Cretaceous-Tertiary boundary, Saskatchewan, Canada. Palaeontographica Abteilung A 208(1-3):11-59 [J. Alroy/J. Alroy/M. Carrano] | |
6717 | R. C. Fox. 2002. The oldest Cenozoic mammal?. Journal of Vertebrate Paleontology 22(2):456-459 [J. Alroy/J. Alroy/J. Alroy] | |
42829 | R. C. Fox, C. S. Scott, and B. D. Rankin. 2010. New early carnivoran specimens from the Puercan (earliest Paleocene) of Saskatchewan, Canada. Journal of Paleontology 84(6):1035-1039 [P. Mannion/P. Mannion] | |
42853 | R. C. Fox and C. S. Scott. 2011. A new, early Puercan (earliest Paleocene) species of Purgatorius (Plesiadapiformes, Primates) from Saskatchewan, Canada. Journal of Paleontology 85(3):537-548 [P. Mannion/P. Mannion] | |
1542 | R. C. Fox and G. P. Youzwyshyn. 1994. New primitive carnivorans (Mammalia) from the Paleocene of western Canada, and their bearing on relationships of the order. Journal of Vertebrate Paleontology 14(3):382-404 [J. Alroy/J. Alroy/J. Marcot] | |
37894 | K. -Q. Gao and R. C. Fox. 1998. New choristoderes (Reptilia: Diapsida) from the Upper Cretaceous and Palaeocene, Alberta and Saskatchewan, Canada, a phylogenetic relationships of Choristodera. Zoological Journal of the Linnean Society 124:303-353 [R. Benson/R. Benson] | |
65027 | J. D. Gardner and D. G. DeMar. 2013. Mesozoic and Palaeocene lissamphibian assemblages of North America: a comprehensive review. Palaeobiodiversity and Palaeoenvironments 93:459-515 [P. Holroyd/P. Holroyd/M. Carrano] |